To evaluate and summarize the best evidence of energy and protein intake targets and calculation in adultcritically illpatients, and to provide evidence-based basis for critical nutrition management.
A total of 18 literatures were included, including 5 clinical guidelines, 8 expert consensus, 3 systematic reviews and 2 evidence summaries. After literature quality evaluation, 18 articles were all enrolled. The evidence was summarized from the four aspects, including energy target calculation method, dosebody weight, energy and protein intake target, and calculation method, 24 pieces of the best evidence were finally formed.